🚀 Gear Up for Learning: Where Fun Meets Function! Empower young minds with 140+ colorful parts to build and explore! Build 3 unique models and ignite a passion for engineering and innovation! Foster teamwork and collaboration with projects designed for 1-2 builders. Engage with a curriculum that meets National STEM standards for grades 3-5. Discover the mechanics of gears, ratios, and speed through fun, interactive models. 9x9x9 inches 140+ parts 0.36 kg The K'NEX Education STEM EXPLORATIONS: Gears Building Set is a dynamic educational tool featuring over 140 plastic parts, designed for children in grades 3-5. This set allows for the construction of three engaging models while teaching essential concepts in mechanics and engineering, all aligned with National STEM standards.